Robert Acquarelli, M.D.
NPI 1477502300 · Diagnostic Radiology Physician · Simi Valley, CA
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Robert Acquarelli, M.D. is a Diagnostic Radiology Physician provider in Simi Valley, CA (NPI 1477502300).
Provider details
- NPI number
- 1477502300
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A72124 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
1,295 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Ct Scan of Chest With Contrast71260 | 467 | $55 |
| Ct Scan of Chest Without Contrast71250 | 210 | $52 |
| Ct Scan of Abdomen and Pelvis With Contrast74177 | 155 | $89 |
| X-Ray of Chest, 1 View71045 | 134 | $9 |
| Ct Scan of Abdomen and Pelvis Without Contrast74176 | 93 | $85 |
| Ct Scan of Abdomen and Pelvis Before and After Contrast74178 | 76 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$41 across 2 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 1510 E Herndon Ave Ste 110Fresno, CA 93720-3333Phone: (559) 450-6742Fax: (559) 450-6743
Registry dates
- Enumerated
- 2006-05-08
- Last updated
- 2025-04-30
- Certified
- 2025-04-30
Frequently asked questions
- What is Robert Acquarelli's NPI number?
- Robert Acquarelli's National Provider Identifier (NPI) is 1477502300, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Acquarelli's specialty?
- Robert Acquarelli is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Robert Acquarelli located?
- Robert Acquarelli's practice location on file with NPPES is 2975 Sycamore Dr, Simi Valley, CA 93065-1201.
- What is Robert Acquarelli's phone number?
- The practice phone number listed in the NPPES registry for Robert Acquarelli is (805) 955-6360.
- Does Robert Acquarelli accept Medicare?
- Robert Acquarelli is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Robert Acquarelli's NPI active?
- Yes — Robert Acquarelli's NPI (1477502300) is active in the NPPES registry as of the last update on 2025-04-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.